CN2221251Y - Non-offset extruder head for wire and cable - Google Patents
Non-offset extruder head for wire and cable Download PDFInfo
- Publication number
- CN2221251Y CN2221251Y CN 93235265 CN93235265U CN2221251Y CN 2221251 Y CN2221251 Y CN 2221251Y CN 93235265 CN93235265 CN 93235265 CN 93235265 U CN93235265 U CN 93235265U CN 2221251 Y CN2221251 Y CN 2221251Y
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- China
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- core rod
- equilibrium
- groove
- quartering
- pressing mould
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- Expired - Fee Related
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- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model discloses a non-offset extruder head for wire and cable. The utility model comprises an extruder head main body (1), a mold core (7), a mold sleeve (8), a distributary pressure equalizing mold core seat (11), a mold core top sleeve (12), and circular nuts (13), wherein, the upper side of the mold core seat for a pressing mold sleeve with uniform distributary is provided with a groove (14) which is divided into two parts equally, a distributary groove (15) which is divided into four parts equally, a pressure equalizing annual groove (16), and a pressure equalizing and current equilizing arc-shaped groove (17) which is divided into four parts equally. The utility model solves the problem of eccentricity in the prior art, and has the advantages of novel and simple structure, and convenient assembly and disassembly. Besides, the rubber flows in a mold sleeve pore cavity with uniform speed, the deviating pressure can not be generated, the deviation regulation can not be required, and the rate of products meeting standards in a tolerance range is enhanced to 100% from the original 95% to 98%.
Description
Extruder head is the frock of electric wire, and at present, the wires and cables industry insulation is all adopted a kind of complicated tuningout extrusion mechanism (as shown in Figure 1 and Figure 2) with extruding of restrictive coating.It is made up of crosshead body (1), guiding arc cover (2), die sleeve seat (3), grading ring (4), core rod seat (5), core rod seat bar (6), core rod (7), die sleeve (8) and tuningout screw parts such as (9), because the axis of extruder head and extrusion screw rod (10) has individual drift angle (90 ° or 120 °).Glue can be between core rod seat and crosshead body and in the cavity between die sleeve and the core rod flow velocity uneven and core is produced biasing force, because of glue is pushed when getting into the head corner, stopped by core rod seat bar, a large amount of glue flow in the cavity of core rod seat bar blocking surface, a small amount of glue flows to other cavity along core rod seat bar both sides and guiding arc cover corner, be that glue everywhere flow velocity in circular cavity is unequal, it is along with the plasticity of glue, extrusion temperature, speed, the extruder head geometry, core rod die sleeve axial restraint position, the variation of factors such as mode transfer technical merit and changing, by the flow velocity of extrusion screw rod face place glue more hurry up, other position is slow, thereby produce the glue-line core shift, need becoming because of mode transfer (being used to claim tuningout) at random.Though this extruder head all is provided with the porous grading ring (as shown in Figure 2) that does not wait in a cross section at core rod seat front end, make the glue that passes through reach current-sharing but this grading ring is in fact difficult, it can only adapt to when changeable factor all is constant at each purpose fixed value, when for example speed, temperature, extrusion screw rod rotating speed or the like are constant, the wage adjustment mould of choosing again solves the glue-line eccentricity issues, in case a certain factor in the changeable factor has played variation, flow velocity also will change when solation is crossed grading ring.Thereby still can produce biasing force to core, the glue-line became uneven that this biasing force causes can only be in the allowable tolerance of bondline thickness, overproofly will cause waste product.Simultaneously, the core rod of this head and die sleeve are to be contained in respectively in core rod seat and the die sleeve seat hole, and it can or assemble long-pending folded alternate position spike decentraction indirectly because of the head distortion, and this also is to produce an eccentric factor.
In addition, temperature control water, the vapour passage of this head are local, and lead directly to, and the position of not water flowing, vapour is by the transmission heating and cooling of temperature, thereby the head heating and cooling are inhomogeneous and insensitive, and whole head operating mode is relatively poor.
The purpose of this utility model provides a kind of novelty simple in structure.Glue average rate in the die sleeve vestibule flows, do not produce biasing force, be not subjected to not tuningout extruder head of electric wire that changeable factors vary influences.
The purpose of this utility model be achieved in that electric wire not the tuningout extruder head comprise several sections such as crosshead body, core rod, die sleeve, the equal pressing mould sleeve core rod of shunting seat, core rod top cover and round nut, shunting equal pressing mould sleeve core rod seat is provided with five equilibrium groove, five equilibrium splitter box, grading ring shape groove and five equilibrium and all presses the current-sharing deep-slotted chip breaker, five equilibrium groove distributing position symmetry, the cross section correspondent equal; Five equilibrium splitter box and two five equilibrium grooves smoothly join, and grading ring shape groove bottom land outside diameter equals footpath at the bottom of the five equilibrium splitter box (also equaling the footpath, the end of five equilibrium groove) end diameter and equals the outside diameter that five equilibrium is all pressed current-sharing deep-slotted chip breaker inner arc, and their positions that communicates do not have the line of demarcation; Five equilibrium all presses the current-sharing deep-slotted chip breaker to be the awl deep-slotted chip breaker, and circumference has dowel, makes the equal pressing mould sleeve core rod seat of shunting be linked to be integral body; Being installed in the core rod that core rod top puts by screw thread is installed in the equal pressing mould sleeve core rod seat of shunting by screw thread together with core rod top cover, die sleeve also is installed in the equal pressing mould sleeve core rod seat of shunting by round nut, shunts equal pressing mould sleeve core rod seat and is installed in the crosshead body.
For the ease of installing, the equal pressing mould sleeve core rod seat of shunting can be designed to the truncated cone-shaped of tapering, the rear portion of core rod also is provided with tapering.
Even and sensitive in order to guarantee whole head heating and cooling, prevent from strand to rise high and sulfuration or Yin Wendu are ultralow and expressing technique performance just glue reduces or the glue rough surface in certain stream chamber internal cause temperature, can in the crosshead body of shunting around the equal pressing mould sleeve core rod seat, be covered with porous single track water, vapour path back and forth, be single passage to outlet from the import of water inlet, vapour.
The utility model is owing to adopt as above design, solved the eccentricity issues that exists in the prior art effectively, have simple in structure, novel, mounting or dismounting are convenient, glue average rate in the die sleeve vestibule flows, do not produce biasing force, temperature control is sensitive, be not subjected to characteristics such as changeable factors vary influences, must tuningout, the product percent of pass in the Measurement Allowance is brought up to 100% by original 95-98%.
Accompanying drawing 1 is the structural representation of existing extruder head;
Accompanying drawing 2 is the A-A cutaway view of accompanying drawing 1;
Accompanying drawing 3 is circumference face of cylinder water, the vapour passage expanded view of the utility model crosshead body;
Accompanying drawing 4 is a structural representation of the present utility model;
Accompanying drawing 5 is a cutaway view of the present utility model;
Accompanying drawing 6 is shunted the circumference expanding map of equal pressing mould sleeve core rod seat main body for the utility model;
Accompanying drawing 7 is the B-B cutaway view of accompanying drawing 4;
Accompanying drawing 8 is the C-C cutaway view of accompanying drawing 4;
Accompanying drawing 9 is the D-D cutaway view of accompanying drawing 5.
Below in conjunction with drawings and Examples detailed structure of the present utility model is further described.
Shown in accompanying drawing 4 and accompanying drawing 5: electric wire not tuningout extruder head is made up of crosshead body (1), core rod (7), die sleeve (8), shunting equal pressing mould sleeve core rod seat (11), core rod top cover (12) and round nut parts such as (13).Adopt porous single track path back and forth in the crosshead body, be a single channel (accompanying drawing 3 is depicted as its expanded view) from the import of water inlet, vapour to outlet, and be covered with in the crosshead body around the equal pressing mould sleeve core rod seat of shunting, make whole head heating and cooling even and sensitive.Shunting equal pressing mould sleeve core rod seat is the truncated cone-shaped that has 12.5 ° of taperings, which is provided with two five equilibrium grooves (14), quartering splitter box (15), grading ring shape groove (16) and the quartering and all presses per four the current-sharing balancing slits of current-sharing deep-slotted chip breaker (17); Two five equilibrium groove distributing position symmetries, cross section correspondent equal (as shown in Figure 7); Quartering splitter box and two five equilibrium grooves smoothly join, and fork peach-pit shape two sides intersect edge of a knife shape, and intersection, two big arc sides also becomes edge of a knife shape (as shown in Figure 6) in addition; Grading ring shape groove bottom land outside diameter equals footpath at the bottom of the quartering splitter box (also equaling the footpath, the end of two five equilibrium grooves), and end diameter equals the outside diameter that the quartering is all pressed current-sharing deep-slotted chip breaker inner arc, and their positions that communicates do not have line of demarcation (as shown in Figure 8); The quartering all presses the current-sharing deep-slotted chip breaker to be the awl deep-slotted chip breaker, and circumference has four dowels (as shown in Figure 9), makes the equal pressing mould sleeve core rod seat of shunting be linked to be integral body.The rear portion of core rod also is provided with 12.5 ° tapering.Core rod top cover is hollow circular-tube.Above-mentioned parts are got final product by assembling shown in accompanying drawing 4 and the accompanying drawing 8.
Its course of work is as follows: when glue is pushed into screw rod (10) propelling head (as accompanying drawing 4).At first be separated into two parts by the interface ramp of the equal pressing mould sleeve core rod seat of shunting (11), and turn round and flow to two five equilibrium grooves (14), be divided into the quartering then again and flow to quartering splitter box (15), entering grading ring shape groove (16) again gathers, the glue that this groove will gather carries out flow velocity buffering and balanced, and then enter the quartering and all press current-sharing deep-slotted chip breaker (17), when the glue by this groove arrives in the cavity that the core rod die sleeve forms.Glue has reached fully uniform-flow, and when glue was extruded on the cable of order core rod hole location, the glue-line thickness that core coats was uniform.Thereby make the cable glue-line extrude simplified control, reached the purpose that does not need mode transfer.
Claims (8)
1, a kind of electric wire that comprises crosshead body, core rod, die sleeve tuningout extruder head not, it is characterized in that also comprising shunting equal pressing mould sleeve core rod seat, core rod top cover and round nut, shunt equal pressing mould sleeve core rod seat and be provided with five equilibrium groove, five equilibrium splitter box, grading ring shape groove and five equilibrium and all press the current-sharing deep-slotted chip breaker; Five equilibrium groove distributing position symmetry, the cross section correspondent equal; Five equilibrium splitter box and five equilibrium groove smoothly join; Grading ring shape groove bottom land outside diameter equals footpath at the bottom of the five equilibrium splitter box (also equaling the footpath, the end of five equilibrium groove), and end diameter equals the outside diameter that five equilibrium is all pressed current-sharing deep-slotted chip breaker inner arc, and their positions that communicates do not have the line of demarcation; Five equilibrium all presses the current-sharing deep-slotted chip breaker to be the awl deep-slotted chip breaker, and circumference has dowel; Make the equal pressing mould sleeve core rod seat of shunting be linked to be integral body; Being installed in the core rod that core rod top puts by screw thread is installed in the equal pressing mould sleeve core rod seat of shunting by screw thread together with core rod top cover, die sleeve also is installed in the equal pressing mould sleeve core rod seat of shunting by round nut, shunts equal pressing mould sleeve core rod seat and is installed in the crosshead body.
2, extruder head as claimed in claim 1 is characterized in that the equal pressing mould sleeve core rod of described shunting seat is the truncated cone-shaped that tapering is arranged, and the rear portion of core rod also is provided with tapering.
3, extruder head as claimed in claim 1 or 2 is characterized in that the tapering at described shunting equal pressing mould sleeve core rod seat and core rod rear portion is 12.5 °.
4, extruder head as claimed in claim 1 or 2 is characterized in that being covered with porous single track water, vapour path back and forth in the equal pressing mould sleeve core rod of the described shunting seat crosshead body all around.
5, extruder head as claimed in claim 3.It is characterized in that being covered with porous single track water, vapour path back and forth in the equal pressing mould sleeve core rod of the described shunting seat crosshead body all around.
6, as claim 1 or 2 or 5 described extruder heads, it is characterized in that the equal pressing mould sleeve core rod of described shunting seat is provided with two five equilibrium grooves, quartering splitter box, the grading ring shape groove and the quartering are all pressed the current-sharing deep-slotted chip breaker, quartering groove and two five equilibrium grooves smoothly join, fork peach-pit shape two arc sides intersect edge of a knife shape, intersection, two big arc sides also becomes edge of a knife shape in addition, and the quartering all presses current-sharing deep-slotted chip breaker circumference to have 4 dowels.
7, extruder head as claimed in claim 3, it is characterized in that the equal pressing mould sleeve core rod of described shunting seat is provided with two five equilibrium grooves, quartering splitter box, grading ring shape groove and the quartering and all presses the current-sharing deep-slotted chip breaker, quartering groove and two five equilibrium grooves smoothly join, fork peach-pit shape two arc sides intersect edge of a knife shape, intersection, two big arc sides also becomes edge of a knife shape in addition, and the quartering all presses current-sharing deep-slotted chip breaker circumference to have 4 dowels.
8, extruder head as claimed in claim 4, it is characterized in that the equal pressing mould sleeve core rod of described shunting seat is provided with two five equilibrium grooves, quartering splitter box, grading ring shape groove and the quartering and all presses the current-sharing deep-slotted chip breaker, quartering groove and two five equilibrium grooves smoothly join, fork peach-pit shape two arc sides intersect edge of a knife shape, intersection, two big arc sides also becomes edge of a knife shape in addition, and the quartering all presses current-sharing deep-slotted chip breaker circumference to have 4 dowels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93235265 CN2221251Y (en) | 1993-12-19 | 1993-12-19 | Non-offset extruder head for wire and cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93235265 CN2221251Y (en) | 1993-12-19 | 1993-12-19 | Non-offset extruder head for wire and cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2221251Y true CN2221251Y (en) | 1996-02-28 |
Family
ID=33810741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93235265 Expired - Fee Related CN2221251Y (en) | 1993-12-19 | 1993-12-19 | Non-offset extruder head for wire and cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2221251Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1746003B (en) * | 2005-09-26 | 2010-05-05 | 扬州亚光电缆有限公司 | Extruding nose of flat cable |
| CN102543319A (en) * | 2012-03-05 | 2012-07-04 | 上海易初电线电缆有限公司 | Material flow divider for flat cable |
| CN102751051A (en) * | 2011-04-21 | 2012-10-24 | 樊立敏 | Diverter-less headpiece for plastic extruding of electric wires and cables and using method thereof |
| CN105014918A (en) * | 2015-08-19 | 2015-11-04 | 白城天奇装备机械有限公司 | Insulated distributing body structure of extruding machine head |
-
1993
- 1993-12-19 CN CN 93235265 patent/CN2221251Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1746003B (en) * | 2005-09-26 | 2010-05-05 | 扬州亚光电缆有限公司 | Extruding nose of flat cable |
| CN102751051A (en) * | 2011-04-21 | 2012-10-24 | 樊立敏 | Diverter-less headpiece for plastic extruding of electric wires and cables and using method thereof |
| CN102543319A (en) * | 2012-03-05 | 2012-07-04 | 上海易初电线电缆有限公司 | Material flow divider for flat cable |
| CN105014918A (en) * | 2015-08-19 | 2015-11-04 | 白城天奇装备机械有限公司 | Insulated distributing body structure of extruding machine head |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |